We are taught to believe that only by going to the best schools and getting the best grades can we escape the rat race and build a better future.
我们所受的教育告诉我们，只有上最好的学校，取得最好的成绩，才能从激烈的竞争中逃脱，创造更美好的未来。
But on behavioral measures, rat moms perform significantly better on spatial working memory tests than nonpregnant rats, with first-time moms performing the best of all.
但是在行为测量的维度，产仔的大鼠在空间工作记忆测试中的表现明显好过没有怀孕的老鼠，而第一次产仔的大鼠表现最好。
Aim: To explore the best isolation methods of rat liver cells from primary culture.
目的：探索原代培养大鼠肝细胞的最佳分离方法。
Dudley's best friend is Piers Polkiss, a scawny boy with a face like a rat.
达力最好的朋友是皮尔波奇斯。 他是个有一张老鼠一般的脸，瘦骨嶙峋的男孩，。
Dudley's best friend is Piers Polkiss, a scawny boy with a face like a rat.
达力最好的朋友是皮尔波奇斯。 他是个有一张老鼠一般的脸，瘦骨嶙峋的男孩，。
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